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Questions in Grade College

[Answered] Read and choose the option with the regular verb in the imperfect tense. A. Tú leías hechizos. B. Tú hablaste con la maestra. C. Tú usaste un huso. D. Tú vas al parque.

[Answered] Consider the following natural language sentence: All roads lead to Rome. Which answer is a translation of this natural language sentence into formal logic? a.) R=A thing is a road. L = The thing leads to Rome. L➡R b.) R=A thing is a road. L= The thing leads to Rome.

[Answered] When a baseball is hit by a batter, the height of the ball, [tex]h(t)[/tex], at time [tex]t[/tex], [tex]t=0[/tex], is determined by the equation [tex]h(t)=-16 t^2+64 t+4[/tex]. If [tex]t[/tex] is in seconds, for which interval of time is the height of the ball greater than or equal to 52 feet? A. [tex]1\ \textless \ t\ \textless \ 3[/tex] B. [tex]t \leq 1[/tex] C. [tex]0\ \textless \ t\ \textless \ 1[/tex] D. [tex]1 \leq t \leq 3[/tex]

[Answered] Which equation illustrates the identity property of multiplication? $(a+b i) \cdot(c+d i)=(c+d i) \cdot(a+b i)$ $(a+b i) \cdot 0=0$ $(a+b i) \cdot 1=(a+b i)$ $(a+b i) \cdot c=(a c+b c i)$

[Answered] On a number line, the directed line segment from [tex]$Q$[/tex] to [tex]$S$[/tex] has endpoints [tex]$Q$[/tex] at -8 and [tex]$S$[/tex] at 12. Point [tex]$R$[/tex] partitions the directed line segment from [tex]$Q$[/tex] to [tex]$S$[/tex] in a 4:1 ratio. Which expression correctly uses the formula [tex]$\left(\frac{m}{m+n}\right)\left(x_2-x_1\right)+x_1$[/tex] to find the location of point R? A. [tex]$\left(\frac{1}{1+4}\right)(12-(-8))+(-8)$[/tex] B. [tex]$\left(\frac{4}{4+1}\right)(12-(-8))+(-8)$[/tex] C. [tex]$\left(\frac{4}{4+1}\right)(-8-12)+12$[/tex] D. [tex]$\left(\frac{4}{1+4}\right)(-8-12)+12$[/tex]

[Answered] Simplify a) [tex]i^{21}[/tex] b) [tex]\sqrt{-49}[/tex] c) [tex]\frac{-12 \pm \sqrt{-18}}{3}[/tex]

[Answered] The distance it takes a truck to stop can be modeled by the function [tex]d(v)=\frac{2.15 v^2}{64.4 f}[/tex] [tex]d=[/tex] stopping distance in feet [tex]v=[/tex] initial velocity in miles per hour [tex]f= a[/tex] constant related to friction When the truck's initial velocity on dry pavement is 40 mph, its stopping distance is 138 ft. Determine the value of [tex]f[/tex], rounded to the nearest hundredth. Choose the quadratic model for the situation. A. [tex]d(v)=\frac{2.15 v^2}{.039}[/tex] B. [tex]d(v)=\frac{2.15 v^2}{64.79}[/tex] C. [tex]d(v)=\frac{2.15 v^2}{25.116}[/tex]

[Answered] True or False? Black identity is a mixture of various West African traditions when it comes to speaking about the development of culture in the context of the trans-Atlantic trade of African people.

[Answered] Ice floats because ice is less dense than water. Which of the following sentences is correct? A. The reason ice floats is because ice is less dense than water. B. Ice floats because ice is less dense than water. C. The reason why ice floats is less dense than water.

[Answered] How does the three-dimensional shape of the enzyme impact enzymatic activity? A. Changes in enzyme shape trigger release of the catalytic product. B. Changes in enzyme shape regulate the rate of the catalytic reaction. C. Enzyme shape determines the type of substrate that binds in the active site. D. Enzyme shape affects how many substrate molecules can bind at once.